Patent US2643864A successfully refreshed from Google Patents.
US2643864A
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US
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Food mixer
Assignee: Sunbeam Corp
•
Filing: 1951-01-31
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Granted: 1953-06-30
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Expires: 1971-01-31
Abstract
No abstract record available.
Inventors
- 👤 Graham Bernard Alton
- 👤 Jepson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:02
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J2043/04454; A47J2043/04481; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303264A
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US1200392A
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US1300619A
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GB277511A
Cited
US2038256A
Cited
US2056512A
Cited
US2069506A
Cited
US2512068A
Cited
GB617028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |